<template>
    <div>
        <!-- 面包屑导航区域 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>数据统计</el-breadcrumb-item>
            <el-breadcrumb-item>数据报表</el-breadcrumb-item>
        </el-breadcrumb>

        <!-- 卡片视图区域 -->
        <el-card>
            <!-- 为Echarts 准备一个具备大小  宽高的Dom -->
            <div id="main" style="width:750px;height:400px"></div>
        </el-card>
    </div>
</template>

<script>
import * as echarts from 'echarts';
import api from '@/api/index'
import _  from 'lodash'
export default {
  name:'Report',
  data(){
    return {
        // 需要合并的数据
        options: {
        title: {
          text: '用户来源'
        },
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            type: 'cross',
            label: {
              backgroundColor: '#E9EEF3'
            }
          }
        },
        grid: {
          left: '3%',
          right: '4%',
          bottom: '3%',
          containLabel: true
        },
        xAxis: [
          {
            boundaryGap: false
          }
        ],
        yAxis: [
          {
            type: 'value'
          }
        ]
      }
    }
  },
  created(){

  },
async  mounted(){
    var myChart = echarts.init(document.getElementById('main'));

    const result = await api.getTimeMap()
    console.log(result);
    if(result.meta.status !== 200) return this.$message.error('获取折线图数据失败!')
    
   const res =  _.merge(result.data,this.options)


    // 准备数据和配置项
    myChart.setOption(res);

    }, 
  methods:{

  }
}
</script>

<style lang="less" scoped>
</style>